 /*******************************************************************************
  * Copyright (c) 2006, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.internal.quickaccess;

 import org.eclipse.jface.preference.IPreferenceNode;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.dialogs.PropertyDialog;

 /**
  * @since 3.3
  *
  */
 public class PropertiesElement extends QuickAccessElement {

     private Object selectedElement;
     private IPreferenceNode preferenceNode;
     
     /* package */PropertiesElement(Object selectedElement, IPreferenceNode preferenceNode, PropertiesProvider propertiesProvider) {
         super(propertiesProvider);
         this.selectedElement = selectedElement;
         this.preferenceNode = preferenceNode;
     }
     
     public void execute() {
         IWorkbenchWindow window = PlatformUI.getWorkbench()
                 .getActiveWorkbenchWindow();
         if (window != null) {
             PropertyDialog dialog = PropertyDialog.createDialogOn(window
                     .getShell(), preferenceNode.getId(), selectedElement);
             dialog.open();
         }
     }

     public String getId() {
         return preferenceNode.getId();
     }

     public ImageDescriptor getImageDescriptor() {
         Image image = preferenceNode.getLabelImage();
         if (image != null) {
             ImageDescriptor descriptor = ImageDescriptor.createFromImage(image);
             return descriptor;
         }
         return null;
     }

     public String getLabel() {
         return preferenceNode.getLabelText();
     }
     
     public int hashCode() {
         final int prime = 31;
         int result = 1;
         result = prime * result
                 + ((preferenceNode == null) ? 0 : preferenceNode.hashCode());
         return result;
     }

     public boolean equals(Object obj) {
         if (this == obj)
             return true;
         if (obj == null)
             return false;
         if (getClass() != obj.getClass())
             return false;
         final PropertiesElement other = (PropertiesElement) obj;
         if (preferenceNode == null) {
             if (other.preferenceNode != null)
                 return false;
         } else if (!preferenceNode.equals(other.preferenceNode))
             return false;
         return true;
     }
 }

